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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) ZenJu (zhnmju123 AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#include "check_version.h"
#include <memory>
#include <wx/msgdlg.h>
#include <wx/protocol/http.h>
#include <wx/sstream.h>
#include "../version/version.h"
#include <wx/utils.h>
#include <wx/timer.h>
#include <zen/string_tools.h>
#include "msg_popup.h"
#include "../lib/ffs_paths.h"
#include <zen/i18n.h>
using namespace zen;
wxString getOnlineVersion() //empty string on error;
{
wxWindowDisabler dummy;
wxHTTP webAccess;
webAccess.SetHeader(L"Content-type", L"text/html; charset=utf-8");
webAccess.SetTimeout(5); //5 seconds of timeout instead of 10 minutes(WTF are they thinking???)...
if (webAccess.Connect(L"freefilesync.cvs.sourceforge.net")) //only the server, no pages here yet...
{
//wxApp::IsMainLoopRunning(); // should return true
std::unique_ptr<wxInputStream> httpStream(webAccess.GetInputStream(L"/viewvc/freefilesync/version/version.txt"));
//must be deleted BEFORE webAccess is closed
if (httpStream && webAccess.GetError() == wxPROTO_NOERR)
{
wxString onlineVersion;
wxStringOutputStream out_stream(&onlineVersion);
httpStream->Read(out_stream);
return onlineVersion;
}
}
return wxString();
}
const wchar_t VERSION_SEP = L'.';
std::vector<size_t> parseVersion(const wxString& version)
{
std::vector<wxString> digits = split(version, VERSION_SEP);
std::vector<size_t> output;
std::transform(digits.begin(), digits.end(), std::back_inserter(output), [&](const wxString& d) { return stringTo<size_t>(d); });
return output;
}
bool isNewerVersion(const wxString& onlineVersion)
{
std::vector<size_t> current = parseVersion(zen::currentVersion);
std::vector<size_t> online = parseVersion(onlineVersion);
if (online.empty() || online[0] == 0) //online version may be "This website has been moved..." In this case better check for an update
return true;
return std::lexicographical_compare(current.begin(), current.end(),
online .begin(), online .end());
}
void zen::checkForUpdateNow(wxWindow* parent)
{
const wxString onlineVersion = getOnlineVersion();
if (onlineVersion.empty())
{
wxMessageBox(_("Unable to connect to sourceforge.net!"), _("Error"), wxOK | wxICON_ERROR, parent);
return;
}
if (isNewerVersion(onlineVersion))
{
if (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_CANCEL,
_("A new version of FreeFileSync is available:") + L" " + onlineVersion + L"\n\n" + _("Download now?")) == ReturnQuestionDlg::BUTTON_YES)
wxLaunchDefaultBrowser(L"http://sourceforge.net/projects/freefilesync/files/freefilesync/v" + onlineVersion + L"/");
}
else
wxMessageBox(_("FreeFileSync is up to date!"), _("Information"), wxICON_INFORMATION, parent);
}
void zen::checkForUpdatePeriodically(wxWindow* parent, long& lastUpdateCheck)
{
#ifdef FFS_LINUX
if (!zen::isPortableVersion()) //don't check for updates in locally installed version -> handled by system updater
return;
#endif
if (lastUpdateCheck != -1)
{
if (lastUpdateCheck == 0)
{
switch (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_NO | ReturnQuestionDlg::BUTTON_CANCEL,
_("Do you want FreeFileSync to automatically check for updates every week?") + L"\n" +
_("(Requires an Internet connection!)")))
{
case ReturnQuestionDlg::BUTTON_YES:
lastUpdateCheck = 123; //some old date (few seconds after 1970) different from 0 and -1
checkForUpdatePeriodically(parent, lastUpdateCheck); //check for updates now
break;
case ReturnQuestionDlg::BUTTON_NO:
lastUpdateCheck = -1; //don't check for updates anymore
break;
case ReturnQuestionDlg::BUTTON_CANCEL:
break;
}
}
else if (wxGetLocalTime() >= lastUpdateCheck + 7 * 24 * 3600) //check weekly
{
const wxString onlineVersion = getOnlineVersion();
if (onlineVersion.empty())
return; //do not handle error
lastUpdateCheck = wxGetLocalTime();
if (isNewerVersion(onlineVersion))
{
if (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_CANCEL,
_("A new version of FreeFileSync is available:") + L" " + onlineVersion + L"\n\n" + _("Download now?")) == ReturnQuestionDlg::BUTTON_YES)
wxLaunchDefaultBrowser(L"http://sourceforge.net/projects/freefilesync/files/freefilesync/v" + onlineVersion + L"/");
}
}
}
}
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